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Intelligent lighting for the 21st century | Part 3

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GigE Vision - Device Discovery

Part of the GigE Vision standard allowing devices on the network to be found.

As this is a network protocol, devices must first be found. For this, the GigE
Vision standard allows users to search for cameras in a sub network. Cameras,
in this case, play a passive part and respond to queries. The response to a
query also contains information on the devices discovered, e.g., names and
versions. Version 2.0 and higher versions of the standard optionally provide
the additional functionality that cameras can make themselves known via DNS
(Multicast Domain Name Service) and applications can discover these cameras
via DNS-SD (DNS Service Discovery). The advantage of this approach is that
packages do not need to be sent periodically through the network in order to
find a new camera, but the cameras themselves log in and out.